See Our

Annual Report

Read here

Leading service provider for Transmission System Operators (TSOs) in the European electricity market.

Through our single trading platform we auction cross-border transmission capacity rights. We also provide accounting (clearing and settlement), contracting, reporting, project support and IT services.

 

Go down

Auctions

On behalf of TSOs, we organize long and short-term auctions of transmission capacity rights.

We offer the following products: yearly, seasonal, quarterly, monthly, weekly, daily and intraday.

Auction results Auction calendar
OPS
  • 470+
    Registered Market Participants
  • 20k+
    Auctions per year
  • 100 %
    Auction Tool Availability
  • 95
    Employees
  • 50
    TSOs serviced

Latest market messages

2024 Auction Calendar update

by JAO

Dear Market Participants,

We would like to inform you that as per TSOs request, the 2024 Auction Calendar has been updated on the corridor NLL.

For more details please refer to the Auction Calendar on our webpage http://www.jao.eu/auctions#/calendar/table to find its latest version.

Best regards,

JAO Operations Team

Capacity Curtailment on the RO-BG border for delivery 28-04-2024

by JAO

1. TSO(s)*:

ESO

2. Identification of affected Long Term Transmission Rights:

RO-BG

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

28-04-2024 11:00 - 12:00 1187 MW

28-04-2024 12:00 - 13:00 1187 MW

28-04-2024 13:00 - 14:00 1187 MW

28-04-2024 14:00 - 15:00 1187 MW

28-04-2024 15:00 - 16:00 1187 MW

5. Amount of LTTR remaining after curtailment:

28-04-2024 11:00 - 12:00 478 MW

28-04-2024 12:00 - 13:00 478 MW

28-04-2024 13:00 - 14:00 478 MW

28-04-2024 14:00 - 15:00 478 MW

28-04-2024 15:00 - 16:00 478 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected extremely low demand which leads to lack of reserve capacity, low system stability and inertia and as a result requires a minimum number of power plants on the grid.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Capacity Curtailment on the AT-CZ border for delivery 27-04-2024

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-CZ

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2024 08:00 - 09:00 350 MW

27-04-2024 09:00 - 10:00 350 MW

27-04-2024 10:00 - 11:00 350 MW

27-04-2024 11:00 - 12:00 350 MW

27-04-2024 12:00 - 13:00 350 MW

27-04-2024 13:00 - 14:00 350 MW

27-04-2024 14:00 - 15:00 350 MW

5. Amount of LTTR remaining after curtailment:

27-04-2024 08:00 - 09:00 35 MW

27-04-2024 09:00 - 10:00 35 MW

27-04-2024 10:00 - 11:00 35 MW

27-04-2024 11:00 - 12:00 35 MW

27-04-2024 12:00 - 13:00 35 MW

27-04-2024 13:00 - 14:00 35 MW

27-04-2024 14:00 - 15:00 35 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:
Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s) *?
During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Capacity Curtailment on the SI-AT border for delivery 27-04-2024

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

SI-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2024 08:00 - 09:00 390 MW

27-04-2024 09:00 - 10:00 390 MW

27-04-2024 10:00 - 11:00 390 MW

27-04-2024 11:00 - 12:00 390 MW

27-04-2024 12:00 - 13:00 390 MW

27-04-2024 13:00 - 14:00 390 MW

27-04-2024 14:00 - 15:00 390 MW

5. Amount of LTTR remaining after curtailment:

27-04-2024 08:00 - 09:00 39 MW

27-04-2024 09:00 - 10:00 39 MW

27-04-2024 10:00 - 11:00 39 MW

27-04-2024 11:00 - 12:00 39 MW

27-04-2024 12:00 - 13:00 39 MW

27-04-2024 13:00 - 14:00 39 MW

27-04-2024 14:00 - 15:00 39 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:
Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s) *?
During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

*According to section 57.3 of the EU HAR, this field can be filled in within 24 hours after the initial publication

Capacity Curtailment on the AT-DE border for delivery 27-04-2024

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

AT-DE

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2024 08:00 - 09:00 3580 MW

27-04-2024 09:00 - 10:00 3580 MW

27-04-2024 10:00 - 11:00 3580 MW

27-04-2024 11:00 - 12:00 3580 MW

27-04-2024 12:00 - 13:00 3580 MW

27-04-2024 13:00 - 14:00 3580 MW

27-04-2024 14:00 - 15:00 3580 MW

5. Amount of LTTR remaining after curtailment:

27-04-2024 08:00 - 09:00 1476 MW

27-04-2024 09:00 - 10:00 1476 MW

27-04-2024 10:00 - 11:00 1476 MW

27-04-2024 11:00 - 12:00 1476 MW

27-04-2024 12:00 - 13:00 1476 MW

27-04-2024 13:00 - 14:00 1476 MW

27-04-2024 14:00 - 15:00 1476 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

Capacity Curtailment on the HU-AT border for delivery 27-04-2024

by JAO

1. TSO(s)*:

APG

2. Identification of affected Long Term Transmission Rights:

HU-AT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Affected volume in MW / hour for each concerned period:

27-04-2024 08:00 - 09:00 299 MW

27-04-2024 09:00 - 10:00 299 MW

27-04-2024 10:00 - 11:00 299 MW

27-04-2024 11:00 - 12:00 299 MW

27-04-2024 12:00 - 13:00 299 MW

27-04-2024 13:00 - 14:00 299 MW

27-04-2024 14:00 - 15:00 299 MW

5. Amount of LTTR remaining after curtailment:

27-04-2024 08:00 - 09:00 38 MW

27-04-2024 09:00 - 10:00 38 MW

27-04-2024 10:00 - 11:00 38 MW

27-04-2024 11:00 - 12:00 38 MW

27-04-2024 12:00 - 13:00 38 MW

27-04-2024 13:00 - 14:00 38 MW

27-04-2024 14:00 - 15:00 38 MW

6. Information on exact operational security limit(s) that are expected to be violated in the absence of curtailment*:

Expected violation of operational security limits of physical transmission assets.

7. Why alternative measures are not sufficient to avoid the expected violation of operational security limit(s)*?

During the CC process, all the remedial actions provided by the TSOs are already considered by the CCC in the calculation.

Capacity Curtailment on the CH-IT border for delivery 27-04-2024

by JAO

1. TSO(s)*:

SWISSGRID

2. Identification of affected Long Term Transmission Rights:

CH-IT

3. Triggering event:

Curtailment to ensure operation remains within Operational Security Limits

4. Estimated duration and affected volume in MW / hour for each concerned period:

27-04-2024 08:00 - 09:00 295 MW

27-04-2024 09:00 - 10:00 295 MW

27-04-2024 10:00 - 11:00 295 MW

27-04-2024 11:00 - 12:00 295 MW

27-04-2024 12:00 - 13:00 295 MW

27-04-2024 13:00 - 14:00 295 MW

27-04-2024 14:00 - 15:00 295 MW

27-04-2024 15:00 - 16:00 295 MW

27-04-2024 16:00 - 17:00 295 MW

27-04-2024 17:00 - 18:00 295 MW

5. Estimated duration and amount of LTTR remaining after curtailment:

27-04-2024 08:00 - 09:00 0 MW

27-04-2024 09:00 - 10:00 0 MW

27-04-2024 10:00 - 11:00 0 MW

27-04-2024 11:00 - 12:00 0 MW

27-04-2024 12:00 - 13:00 0 MW

27-04-2024 13:00 - 14:00 0 MW

27-04-2024 14:00 - 15:00 0 MW

27-04-2024 15:00 - 16:00 0 MW

27-04-2024 16:00 - 17:00 0 MW

27-04-2024 17:00 - 18:00 0 MW

IT

About us

We started as a shared auction platform for transmission capacity across Central Western Europe in 2008. Over time, we became the operator of the Single Allocation Platform and therefore the leading trading platform for European Transmission System Operators.

Get to know us
Image
JAO workers

Frequently asked questions

Check out the common questions and our answers on how to use the auction platform.

Do you need support?

If you can't find an answer to your question, our team is here to help!